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Amazon.com: High End Z840 Workstation, 2X E5-2690 v4 up to 3.5GHz (28 Cores Total), 256GB RAM, 4X 1TB SSD, Quadro P4000 8GB (4X Display Port), USB 3.0, Windows 10 Professional 64-bit (Renewed) : Electronics,

HP Z840 INTEL XEON E5-2697V4 36C / 72T RAM 64GB NVMe 500GB + SAS 4TB USED Workstation - CPUDD : Inspired by LnwShop.com,

HP Z840 Workstation 2x 18-Core 2.30GHz Intel E5-2697 v4 No RAM HDD | eBay